Base64 encodes binary data as ASCII text using 64 printable characters. It is not encryption.

Is UTF-8 text handled correctly?

Yes. Text encoding uses TextEncoder/TextDecoder so multi-byte characters are preserved.

Is data sent to a server?

No. All encoding and decoding runs locally.

Translator

Base64 Encoder

Carry binary across the text-only road.

Encode plain text or files to Base64, or decode Base64 back to readable text or a downloadable file. Common for APIs, data URIs, and embedding small assets.

A translator carries meaning across a boundary. Base64 carries binary data across text-only channels.

InputDirection

Plain text

Related tools

Sigillum — Hash Generator
Codificator Viae — URL Encoder

How to use

Choose text or file mode and encode or decode.
Paste input or select a file.
Copy the result or download the decoded file.

FAQ

What is Base64?: Base64 encodes binary data as ASCII text using 64 printable characters. It is not encryption.
Is UTF-8 text handled correctly?: Yes. Text encoding uses TextEncoder/TextDecoder so multi-byte characters are preserved.
Is data sent to a server?: No. All encoding and decoding runs locally.